Average Co-Inventor Count = 2.40
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Pfaff Industriemaschinen Gmbh (2 from 179 patents)
2 patents:
1. 5105751 - Process for carrying out a sewing operation with a sewing machine with
2. 4542707 - Sewing machine having auxiliary work turning needle